123-31-9|HydroquinoneProducts Supply - Chemical intermediates Network

Hydroquinone cas no:123-31-9

Synonyms: 1,4-Benzenediol; Quinol; Hydroxyquinone; 1,4-Dihydroxybenzene

Identification

NameHydroquinone
CAS123-31-9
Synonyms1,4-Benzenediol; Quinol; Hydroxyquinone; 1,4-Dihydroxybenzene
EINECS(EC#)204-617-8
Molecular FormulaC6H6O2
Molecular Weight110.11

Chemical Properties

Appearanceoff-white powder or white needle-like crystals
refractive index1.689

Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)

Hazardclass9

Safety Data

Hazard Xn:Harmful
Risk R22;R40;R41;R43;R50;R68
Safety

Safety Information of Hydroquinone (CAS NO.123-31-9):
Hazard Codes: Xn Harmful ,N Dangerous
Risk Statements: 22-40-41-43-50-68??
R22:Harmful if swallowed.?
R40:Limited evidence of a carcinogenic effect.?
R41:Risk of serious damage to the eyes.?
R50:Very toxic to aquatic organisms.?
R68:Possible risk of irreversible effects.
Safety Statements: 26-36/37/39-61
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.?
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: 2662
WGK Germany: 3
RTECS: MX3500000
HazardClass: 9
PackingGroup: III

Toxicity

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
cat	LD50	oral	50mg/kg (50mg/kg)	?	National Technical Information Service. Vol. OTS0555537,
cat	LDLo	subcutaneous	50mg/kg (50mg/kg)	BEHAVIORAL: TREMOR BLOOD: METHEMOGLOBINEMIA-CARBOXYHEMOGLOBIN VASCULAR: REGIONAL OR GENERAL ARTERIOLAR OR VENOUS DILATION	Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 72, Pg. 241, 1913.
dog	LD50	oral	200mg/kg (200mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT GASTROINTESTINAL: NAUSEA OR VOMITING	Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 8, Pg. 348, 1949.
dog	LDLo	intravenous	80mg/kg (80mg/kg)	?	"Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 162, 1955.
dog	LDLo	subcutaneous	100mg/kg (100mg/kg)	?	Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 183, Pg. 319, 1936.
frog	LDLo	parenteral	190mg/kg (190mg/kg)	PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD CARDIAC: OTHER CHANGES	Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 166, Pg. 437, 1932.
frog	LDLo	subcutaneous	190mg/kg (190mg/kg)	?	"Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 160, 1955.
guinea pig	LD50	oral	550mg/kg (550mg/kg)	BEHAVIORAL: TREMOR BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT	Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 8, Pg. 348, 1949.
guinea pig	LDLo	intraperitoneal	200mg/kg (200mg/kg)	?	"Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 162, 1955.
guinea pig	LDLo	subcutaneous	300mg/kg (300mg/kg)	?	"Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 162, 1955.
human	LDLo	oral	29mg/kg (29mg/kg)	?	"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 321, 1969.
human	TDLo	oral	170mg/kg (170mg/kg)	BEHAVIORAL: COMA CARDIAC: PULSE RATE INCREASE WITHOUT FALL IN BP LUNGS, THORAX, OR RESPIRATION: CYANOSIS	Annales de Medecine Legale. Criminologie, Police Scientifique et Toxicologie. Vol. 7, Pg. 79, 1927.
mammal (species unspecified)	LD50	oral	480mg/kg (480mg/kg)	BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)	Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 15, Pg. 136, 1979.
mammal (species unspecified)	LD50	skin	5970mg/kg (5970mg/kg)	?	Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(10), Pg. 16, 1980.
mouse	LD50	intraperitoneal	100mg/kg (100mg/kg)	?	National Technical Information Service. Vol. AD414-344,
mouse	LD50	oral	245mg/kg (245mg/kg)	?	Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 38(8), Pg. 6, 1973.
mouse	LD50	subcutaneous	182mg/kg (182mg/kg)	?	Zeitschrift fuer die Gesamte Innere Medizin und Ihre Grenzgebiete. Vol. 2, Pg. 333, 1947.
mouse	LD50	unreported	150mg/kg (150mg/kg)	?	British Journal of Cancer. Vol. 6, Pg. 160, 1952.
pigeon	LD50	oral	300mg/kg (300mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD GASTROINTESTINAL: NAUSEA OR VOMITING BEHAVIORAL: EXCITEMENT	Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 8, Pg. 348, 1949.
rabbit	LD50	intraperitoneal	125mg/kg (125mg/kg)	?	Ecotoxicology and Environmental Safety. Vol. 19, Pg. 327, 1990.
rabbit	LD50	oral	200mg/kg (200mg/kg)	?	International Polymer Science and Technology. Vol. 3, Pg. 93, 1976.
rabbit	LDLo	intravenous	100mg/kg (100mg/kg)	?	Agressologie. Revue Internationale de Physio-Biologie et de Pharmacologie Appliquees aux Effets de l'Agression. Vol. 3, Pg. 311, 1962.
rat	LD50	intraperitoneal	170mg/kg (170mg/kg)	?	Ecotoxicology and Environmental Safety. Vol. 19, Pg. 327, 1990. ?
rat	LD50	intravenous	115mg/kg (115mg/kg)	BEHAVIORAL: TREMOR BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT	Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 8, Pg. 348, 1949.
rat	LD50	oral	302mg/kg (302mg/kg)	?	National Technical Information Service. Vol. OTS0555537,
rat	LD50	unreported	720mg/kg (720mg/kg)	?	Gigiena Truda i Professional'naya Patologiya v Estonskoi SSR. Labor Hygiene and Occupational Pathology in the Estonian SSR. Vol. 8, Pg. 145, 1972.
rat	LDLo	subcutaneous	300mg/kg (300mg/kg)	?	"Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 1, Pg. 162, 1955.

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Hydroquinone cas no:123-31-9

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